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1 /*
2  * SDIO device core hardware definitions.
3  * sdio is a portion of the pcmcia core in core rev 3 - rev 8
4  *
5  * SDIO core support 1bit, 4 bit SDIO mode as well as SPI mode.
6  *
7  * Copyright (C) 1999-2009, Broadcom Corporation
8  *
9  *      Unless you and Broadcom execute a separate written software license
10  * agreement governing use of this software, this software is licensed to you
11  * under the terms of the GNU General Public License version 2 (the "GPL"),
12  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
13  * following added to such license:
14  *
15  *      As a special exception, the copyright holders of this software give you
16  * permission to link this software with independent modules, and to copy and
17  * distribute the resulting executable under terms of your choice, provided that
18  * you also meet, for each linked independent module, the terms and conditions of
19  * the license of that module.  An independent module is a module which is not
20  * derived from this software.  The special exception does not apply to any
21  * modifications of the software.
22  *
23  *      Notwithstanding the above, under no circumstances may you combine this
24  * software in any way with any other Broadcom software provided under a license
25  * other than the GPL, without Broadcom's express prior written consent.
26  *
27  * $Id: sbsdio.h,v 13.29.4.1.22.3 2009/03/11 20:26:57 Exp $
28  */
29 
30 #ifndef	_SBSDIO_H
31 #define	_SBSDIO_H
32 
33 #define SBSDIO_NUM_FUNCTION		3	/* as of sdiod rev 0, supports 3 functions */
34 
35 /* function 1 miscellaneous registers */
36 #define SBSDIO_SPROM_CS			0x10000		/* sprom command and status */
37 #define SBSDIO_SPROM_INFO		0x10001		/* sprom info register */
38 #define SBSDIO_SPROM_DATA_LOW		0x10002		/* sprom indirect access data byte 0 */
39 #define SBSDIO_SPROM_DATA_HIGH		0x10003 	/* sprom indirect access data byte 1 */
40 #define SBSDIO_SPROM_ADDR_LOW		0x10004		/* sprom indirect access addr byte 0 */
41 #define SBSDIO_SPROM_ADDR_HIGH		0x10005		/* sprom indirect access addr byte 0 */
42 #define SBSDIO_CHIP_CTRL_DATA		0x10006		/* xtal_pu (gpio) output */
43 #define SBSDIO_CHIP_CTRL_EN		0x10007		/* xtal_pu (gpio) enable */
44 #define SBSDIO_WATERMARK		0x10008		/* rev < 7, watermark for sdio device */
45 #define SBSDIO_DEVICE_CTL		0x10009		/* control busy signal generation */
46 
47 /* registers introduced in rev 8, some content (mask/bits) defs in sbsdpcmdev.h */
48 #define SBSDIO_FUNC1_SBADDRLOW		0x1000A		/* SB Address Window Low (b15) */
49 #define SBSDIO_FUNC1_SBADDRMID		0x1000B		/* SB Address Window Mid (b23:b16) */
50 #define SBSDIO_FUNC1_SBADDRHIGH		0x1000C		/* SB Address Window High (b31:b24)    */
51 #define SBSDIO_FUNC1_FRAMECTRL		0x1000D		/* Frame Control (frame term/abort) */
52 #define SBSDIO_FUNC1_CHIPCLKCSR		0x1000E		/* ChipClockCSR (ALP/HT ctl/status) */
53 #define SBSDIO_FUNC1_SDIOPULLUP 	0x1000F		/* SdioPullUp (on cmd, d0-d2) */
54 #define SBSDIO_FUNC1_WFRAMEBCLO		0x10019		/* Write Frame Byte Count Low */
55 #define SBSDIO_FUNC1_WFRAMEBCHI		0x1001A		/* Write Frame Byte Count High */
56 #define SBSDIO_FUNC1_RFRAMEBCLO		0x1001B		/* Read Frame Byte Count Low */
57 #define SBSDIO_FUNC1_RFRAMEBCHI		0x1001C		/* Read Frame Byte Count High */
58 
59 #define SBSDIO_FUNC1_MISC_REG_START	0x10000 	/* f1 misc register start */
60 #define SBSDIO_FUNC1_MISC_REG_LIMIT	0x1001C 	/* f1 misc register end */
61 
62 /* SBSDIO_SPROM_CS */
63 #define SBSDIO_SPROM_IDLE		0
64 #define SBSDIO_SPROM_WRITE		1
65 #define SBSDIO_SPROM_READ		2
66 #define SBSDIO_SPROM_WEN		4
67 #define SBSDIO_SPROM_WDS		7
68 #define SBSDIO_SPROM_DONE		8
69 
70 /* SBSDIO_SPROM_INFO */
71 #define SROM_SZ_MASK			0x03		/* SROM size, 1: 4k, 2: 16k */
72 #define SROM_BLANK			0x04		/* depreciated in corerev 6 */
73 #define	SROM_OTP			0x80		/* OTP present */
74 
75 /* SBSDIO_CHIP_CTRL */
76 #define SBSDIO_CHIP_CTRL_XTAL		0x01		/* or'd with onchip xtal_pu,
77 							 * 1: power on oscillator
78 							 * (for 4318 only)
79 							 */
80 /* SBSDIO_WATERMARK */
81 #define SBSDIO_WATERMARK_MASK		0x7f		/* number of words - 1 for sd device
82 							 * to wait before sending data to host
83 							 */
84 
85 /* SBSDIO_DEVICE_CTL */
86 #define SBSDIO_DEVCTL_SETBUSY		0x01		/* 1: device will assert busy signal when
87 							 * receiving CMD53
88 							 */
89 #define SBSDIO_DEVCTL_SPI_INTR_SYNC	0x02		/* 1: assertion of sdio interrupt is
90 							 * synchronous to the sdio clock
91 							 */
92 #define SBSDIO_DEVCTL_CA_INT_ONLY	0x04		/* 1: mask all interrupts to host
93 							 * except the chipActive (rev 8)
94 							 */
95 #define SBSDIO_DEVCTL_PADS_ISO		0x08		/* 1: isolate internal sdio signals, put
96 							 * external pads in tri-state; requires
97 							 * sdio bus power cycle to clear (rev 9)
98 							 */
99 #define SBSDIO_DEVCTL_SB_RST_CTL	0x30		/* Force SD->SB reset mapping (rev 11) */
100 #define SBSDIO_DEVCTL_RST_CORECTL	0x00		/*   Determined by CoreControl bit */
101 #define SBSDIO_DEVCTL_RST_BPRESET	0x10		/*   Force backplane reset */
102 #define SBSDIO_DEVCTL_RST_NOBPRESET	0x20		/*   Force no backplane reset */
103 
104 
105 /* SBSDIO_FUNC1_CHIPCLKCSR */
106 #define SBSDIO_FORCE_ALP		0x01		/* Force ALP request to backplane */
107 #define SBSDIO_FORCE_HT			0x02		/* Force HT request to backplane */
108 #define SBSDIO_FORCE_ILP		0x04		/* Force ILP request to backplane */
109 #define SBSDIO_ALP_AVAIL_REQ		0x08		/* Make ALP ready (power up xtal) */
110 #define SBSDIO_HT_AVAIL_REQ		0x10		/* Make HT ready (power up PLL) */
111 #define SBSDIO_FORCE_HW_CLKREQ_OFF	0x20		/* Squelch clock requests from HW */
112 #define SBSDIO_ALP_AVAIL		0x40		/* Status: ALP is ready */
113 #define SBSDIO_HT_AVAIL			0x80		/* Status: HT is ready */
114 /* In rev8, actual avail bits followed original docs */
115 #define SBSDIO_Rev8_HT_AVAIL		0x40
116 #define SBSDIO_Rev8_ALP_AVAIL		0x80
117 
118 #define SBSDIO_AVBITS			(SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL)
119 #define SBSDIO_ALPAV(regval)		((regval) & SBSDIO_AVBITS)
120 #define SBSDIO_HTAV(regval)		(((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS)
121 #define SBSDIO_ALPONLY(regval)		(SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval))
122 #define SBSDIO_CLKAV(regval, alponly)	(SBSDIO_ALPAV(regval) && \
123 					(alponly ? 1 : SBSDIO_HTAV(regval)))
124 
125 /* SBSDIO_FUNC1_SDIOPULLUP */
126 #define SBSDIO_PULLUP_D0		0x01		/* Enable D0/MISO pullup */
127 #define SBSDIO_PULLUP_D1		0x02		/* Enable D1/INT# pullup */
128 #define SBSDIO_PULLUP_D2		0x04		/* Enable D2 pullup */
129 #define SBSDIO_PULLUP_CMD		0x08		/* Enable CMD/MOSI pullup */
130 #define SBSDIO_PULLUP_ALL		0x0f		/* All valid bits */
131 
132 /* function 1 OCP space */
133 #define SBSDIO_SB_OFT_ADDR_MASK		0x07FFF		/* sb offset addr is <= 15 bits, 32k */
134 #define SBSDIO_SB_OFT_ADDR_LIMIT	0x08000
135 #define SBSDIO_SB_ACCESS_2_4B_FLAG	0x08000		/* with b15, maps to 32-bit SB access */
136 
137 /* some duplication with sbsdpcmdev.h here */
138 /* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
139 #define SBSDIO_SBADDRLOW_MASK		0x80		/* Valid bits in SBADDRLOW */
140 #define SBSDIO_SBADDRMID_MASK		0xff		/* Valid bits in SBADDRMID */
141 #define SBSDIO_SBADDRHIGH_MASK		0xffU		/* Valid bits in SBADDRHIGH */
142 #define SBSDIO_SBWINDOW_MASK		0xffff8000	/* Address bits from SBADDR regs */
143 
144 /* direct(mapped) cis space */
145 #define SBSDIO_CIS_BASE_COMMON		0x1000		/* MAPPED common CIS address */
146 #define SBSDIO_CIS_SIZE_LIMIT		0x200		/* maximum bytes in one CIS */
147 #define SBSDIO_OTP_CIS_SIZE_LIMIT       0x078           /* maximum bytes OTP CIS */
148 
149 #define SBSDIO_CIS_OFT_ADDR_MASK	0x1FFFF		/* cis offset addr is < 17 bits */
150 
151 #define SBSDIO_CIS_MANFID_TUPLE_LEN	6		/* manfid tuple length, include tuple,
152 							 * link bytes
153 							 */
154 
155 /* indirect cis access (in sprom) */
156 #define SBSDIO_SPROM_CIS_OFFSET		0x8		/* 8 control bytes first, CIS starts from
157 							 * 8th byte
158 							 */
159 
160 #define SBSDIO_BYTEMODE_DATALEN_MAX	64		/* sdio byte mode: maximum length of one
161 							 * data comamnd
162 							 */
163 
164 #define SBSDIO_CORE_ADDR_MASK		0x1FFFF		/* sdio core function one address mask */
165 
166 #endif	/* _SBSDIO_H */
167